public class cs3 {
    public static void main(String[] args) {
        int[] a = new int[3];
        a[0]=10;
        a[1]=20;
        a[2]=30;
        System.out.println(a[0]);
        System.out.println(a[1]);
        System.out.println(a[2]);


        char[] b = new char[3];
        b[0]='h';
        b[1]='g';
        b[2]='d';
        System.out.println(b[0]);
        System.out.println(b[1]);
        System.out.println(b[2]);

        String[] c = new String[3];
        c[0]="你";
        c[1]="好";
        c[2]="呀";
        System.out.print(c[0]);
        System.out.print(c[1]);
        System.out.print(c[2]);
    }
}
